22310045 has 4 divisors (see below), whose sum is σ = 26772060. Its totient is φ = 17848032.

The previous prime is 22310033. The next prime is 22310051. The reversal of 22310045 is 54001322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2427364 + 19882681 = 1558^2 + 4459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22310045 is a prime.

It is a super-3 number, since 3×22310045³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231000 + ... + 2231009.

It is an arithmetic number, because the mean of its divisors is an integer number (6693015).

Almost surely, 2^22310045 is an apocalyptic number.

It is an amenable number.

22310045 is a deficient number, since it is larger than the sum of its proper divisors (4462015).

22310045 is an equidigital number, since it uses as much as digits as its factorization.

22310045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462014.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22310045 is about 4723.3510350174. The cubic root of 22310045 is about 281.5140979387.

Adding to 22310045 its reverse (54001322), we get a palindrome (76311367).

The spelling of 22310045 in words is "twenty-two million, three hundred ten thousand, forty-five".